Essays about: "singular value decomposition"

Showing result 1 - 5 of 42 essays containing the words singular value decomposition.

  1. 1. Ingredient-based Group Recommender for Recipes (IGR2)

    University essay from Göteborgs universitet/Institutionen för data- och informationsteknik

    Author : John Lindblad; Jonas Meddeb; [2022-02-16]
    Keywords : recommender systems; data science; user-generated content; contentbased filtering; singular value decomposition; recipes; food; group recommender systems;

    Abstract : The number of food recipe options in modern society is vast and growing. While often being considered positive, the abundant options also lead to the so-called paradox of choice, i.e. that more options can lead to less happiness. READ MORE

  3. 2. Sparse Approximation of Spatial Channel Model with Dictionary Learning

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Matilda Zhou; [2022]
    Keywords : Spatial channel model SCM ; dictionary learning; compressive sensing CS ; discrete Fourier transform DFT ; overcomplete discrete Fourier transform ODFT ; Rumslig kanalmodell; ordbokslärning; kompressionsavkänning; diskret Fourier-transform; överkomplett diskret Fourier-transform;

    Abstract : In large antenna systems, traditional channel estimation is costly and infeasible in some situations. Compressive sensing was proposed to estimate the channel with fewer measurements. Most of the previous work uses a predefined discrete Fourier transform matrix or overcomplete Fourier transform matrix to approximate the channel. READ MORE

  4. 3. Classification of EEG Data Using Convolutional Neural Networks and the Scaled Reassigned Spectrogram

    University essay from Lunds universitet/Matematisk statistik

    Author : Karin Pagels; [2021]
    Keywords : Mathematics and Statistics;

    Abstract : Electroencephalography (EEG) is a medical technique for measuring brain activity through several channels connected to the scalp. Interpreting EEG data is a difficult problem because of the large amount of noise contained in the data. READ MORE

  5. 4. Automated error matching system using machine learning and data clustering : Evaluating unsupervised learning methods for categorizing error types, capturing bugs, and detecting outliers.

    University essay from Linköpings universitet/Programvara och system

    Author : Jonatan Bjurenfalk; August Johnson; [2021]
    Keywords : Unsupervised learning; machine learning; clustering; DBSCAN; HDBSCAN; X-Means; outlier detection; error log clustering;

    Abstract : For large and complex software systems, it is a time-consuming process to manually inspect error logs produced from the test suites of such systems. Whether it is for identifyingabnormal faults, or finding bugs; it is a process that limits development progress, and requires experience. READ MORE

  6. 5. Forecasting Mortality Rates using the Weighted Hyndman-Ullah Method

    University essay from Mälardalens högskola/Akademin för utbildning, kultur och kommunikation

    Author : Anthony Kojo Ramos; [2021]
    Keywords : Mortality modelling; mortality forecasting; Lee–Carter method; singular value decomposition; functional demographic models; functional principal components analysis; mean forecast errors; ARIMA.;

    Abstract : The performance of three methods of mortality modelling and forecasting are compared. These include the basic Lee–Carter and two functional demographic models; the basic Hyndman–Ullah and the weighted Hyndman–Ullah. READ MORE